Use these options to specify how the date range returns results. "Exact" means that the start and end dates of descriptions returned must fall entirely within the date range entered. "Overlapping" means that any description whose start or end dates touch or overlap the target date range will be returned.

This survey is an attempt to relate in a concise form why the Treaty was signed, what it means, how the machinery, both civil and military, for implementing its terms has been evolved, how that machinery works and what has been accomplished in the first five years of the Alliance - from 1949 until July 1954.

The Series contains collections of published articles, official speeches, posters, brochures, pamphlets, and document facsimiles. The Series topics range from general overviews of NATO, to specific topics, such as the NATO AWACS.